<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta name="xbsj-labels" content="Earth示例"></meta>
    <title>影像-离线</title>
    <!-- 0 引入js文件 -->
    <script src="../../XbsjEarth/XbsjEarth.js"></script>
    <style>
        html,
        body {
            width: 100%;
            height: 100%;
            margin: 0px;
            padding: 0px;
        }
    </style>
</head>

<body>
    <div id="earthContainer" style="width: 100%; height: 100%; background: grey">
    </div>
    <script>
        var earth;
        create();

        function create() {
            // 1 XE.ready()会加载Cesium.js等其他资源，注意ready()返回一个Promise对象。
            XE.ready().then(() => {
                if (earth) {
                    return;
                }

            earth = new XE.Earth('earthContainer');

            earth.sceneTree.root = {
                "children": [
                    {
                        "czmObject": {
                            "xbsjType": "Imagery",
                            "name": "离线影像",
                            "show": true,
                            "xbsjImageryProvider": {
                                "createTileMapServiceImageryProvider": {
                                    "url": XE.HTML.cesiumDir + 'Assets/Textures/NaturalEarthII',
                                    "fileExtension": 'jpg',
                                },
                                "type": 'createTileMapServiceImageryProvider',
                            },
                        }
                    }
                ]
            }
        });

        // only for Debug
        window.earth = earth;
    }

    // 2 资源销毁
    function destroy() {
        earth = earth && earth.destroy();
    }      
    </script>
</body>

</html>